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                <h2 id="基本标签"><a href="#基本标签" class="headerlink" title="基本标签"></a>基本标签</h2><pre class=" language-html"><code class="language-html">1.标题
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>h1</span><span class="token punctuation">></span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>h1</span><span class="token punctuation">></span></span>  h后数字是从1--6表现出来标题字号由大到小

2.段落
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>p</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>p</span><span class="token punctuation">></span></span>

3.换行
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>br</span> <span class="token punctuation">/></span></span>  <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>hr</span> <span class="token punctuation">/></span></span>(换行并加分割线)

4.字体
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>strong</span><span class="token punctuation">></span></span>加粗<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>strong</span><span class="token punctuation">></span></span>       //strong 和 b 是加粗
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>b</span><span class="token punctuation">></span></span>加粗<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>b</span><span class="token punctuation">></span></span>                  //em 和 i 是倾斜    
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>em</span><span class="token punctuation">></span></span>倾斜<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>em</span><span class="token punctuation">></span></span>               //del 和 s 是删除线
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>i</span><span class="token punctuation">></span></span>倾斜<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>i</span><span class="token punctuation">></span></span>                   //ins 和 u 是下划线
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>del</span><span class="token punctuation">></span></span>删除线<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>del</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>s</span><span class="token punctuation">></span></span>删除线<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>s</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>ins</span><span class="token punctuation">></span></span>下划线<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>ins</span><span class="token punctuation">></span></span>  
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>u</span><span class="token punctuation">></span></span>下划线<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>u</span><span class="token punctuation">></span></span>  
</code></pre>
<h2 id="图片和链接"><a href="#图片和链接" class="headerlink" title="图片和链接"></a>图片和链接</h2><pre class=" language-html"><code class="language-html"><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>img</span> <span class="token attr-name">src</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">"</span>2dse.jpg<span class="token punctuation">"</span></span> <span class="token attr-name">alt</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">"</span>图片显示错误<span class="token punctuation">"</span></span>  <span class="token attr-name">title</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">"</span>二次元图片<span class="token punctuation">"</span></span> <span class="token punctuation">/></span></span>

1.基本属性
src=" " 双引号写图片路径  src=""这个必须放最前面
alt=" " 双引号内写文字 当图片无法显示时alt内部文字替换
title=" " 当鼠标放图片上面时显示的内容
width 设置图像的宽度   
height  设置图像的高度    这两个属性只修改一个 另一个会自动缩放
border 设置边框的像素 在HTML中暂不修改  在css中修改


2.路径问题   
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>img</span> <span class="token attr-name">src</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">"</span>   <span class="token punctuation">"</span></span><span class="token punctuation">></span></span>    
src 内的填图片的路径
若图片和HTML文件在同一级 
即左侧第二个（打开的编译器的下面的东东）若在一个里面
则为 图片名字加格式 如 1.jpg 如在包含的文件夹里面 
为 （文件夹名称）/ 图片名字加格式 如 src="图片/1.jpc"
若HTML文件在图片的下一级 为 ../图片名字加格式 


//绝对路径的使用 
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>img</span> <span class="token attr-name">src</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">"</span>图片地址或者网站上复制的图片地址<span class="token punctuation">"</span></span><span class="token punctuation">/></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>img</span> <span class="token attr-name">src</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">"</span>https://p5.ssl.qhimgs1.com/sdr/400__/t0104b28e2d6910bfcf.jpg<span class="token punctuation">"</span></span><span class="token punctuation">/></span></span>


3.超链接格式
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>a</span> <span class="token attr-name">href</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">"</span>https://pvp.qq.com/<span class="token punctuation">"</span></span> <span class="token attr-name">target</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">"</span>_blank<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>王者荣耀官网<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>a</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>a</span> <span class="token attr-name">href</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">"</span>网址<span class="token punctuation">"</span></span> <span class="token attr-name">target</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">"</span>_blank或_self<span class="token punctuation">"</span></span> <span class="token punctuation">></span></span>文字或图片<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>a</span><span class="token punctuation">></span></span>   
网址格式为 http://www.4399.com//
_blank 是另起一页打开超链接
_self 是覆盖本页打开超链接
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>a</span> <span class="token attr-name">href</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">"</span>#<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>空链接<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>a</span><span class="token punctuation">></span></span>


4.锚点链接
锚点即使传送点 需要的是传送起始链接和传送点的标记
传送链接格式
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>a</span> <span class="token attr-name">href</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">"</span>#+id<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>文字或图片<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>a</span><span class="token punctuation">></span></span>  例如 <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>a</span> <span class="token attr-name">href</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">"</span>#666<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>返回首页<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>a</span><span class="token punctuation">></span></span>
传送点
原为<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>h1</span><span class="token punctuation">></span></span>***<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>h1</span><span class="token punctuation">></span></span>
改为
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>h1</span> <span class="token attr-name">id</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">"</span>666<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>***<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>h1</span><span class="token punctuation">></span></span>
</code></pre>
<h2 id="快捷键"><a href="#快捷键" class="headerlink" title="快捷键"></a>快捷键</h2><pre class=" language-html"><code class="language-html">1.
Shift+/ 是选中的那一行注释


2.
Shift + Alt +F 自动对齐

3.
! + Tab 自动创建基本代码
</code></pre>
<h2 id="表格"><a href="#表格" class="headerlink" title="表格"></a>表格</h2><pre class=" language-html"><code class="language-html">表格的制作
1.基本格式
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>table</span><span class="token punctuation">></span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>tr</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>td</span><span class="token punctuation">></span></span>123<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>td</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>td</span><span class="token punctuation">></span></span>456<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>td</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>td</span><span class="token punctuation">></span></span>789<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>td</span><span class="token punctuation">></span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>tr</span><span class="token punctuation">></span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>tr</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>th</span><span class="token punctuation">></span></span>123<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>th</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>th</span><span class="token punctuation">></span></span>456<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>th</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>th</span><span class="token punctuation">></span></span>789<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>th</span><span class="token punctuation">></span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>th</span><span class="token punctuation">></span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>table</span><span class="token punctuation">></span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>table</span><span class="token punctuation">></span></span> 为一个大格子 <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>tr</span><span class="token punctuation">></span></span> 为一行  <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>td</span><span class="token punctuation">></span></span>或者<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>th</span><span class="token punctuation">></span></span>为单元格
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>th</span><span class="token punctuation">></span></span>一般用于首行 能让字体加粗且居中 <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>td</span><span class="token punctuation">></span></span>为普通单元格

2.表格属性
 放在table框中 在HTML中不怎么使用主要在css中用  例如<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>table</span> <span class="token attr-name">align</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">"</span>center<span class="token punctuation">"</span></span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>table</span><span class="token punctuation">></span></span>
 1.单元格在界面的位置 align       (left ,center ,right)
 2.单元格边框的像素 border        0即是没有边框 
 3.内容与单元格边框的距离 cellpadding  
 4.单元格之间的空白 cellspacing
 5.单元格的宽度 width
 6.单元格的长度 height

 3.单元格合并
 跨行(上下合并)   rowspan="合并的个数"
 跨列(左右合并)   colspan="合并的个数"
 把代码加到起始处，然后删除掉合并后的单元格

 4.<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>thead</span><span class="token punctuation">></span></span>和<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>tbody</span><span class="token punctuation">></span></span>标签
 俩标签都成对存在
 第一个标签用于表格第一行课通过修改这俩标签而省去了修改单元格的麻烦
 俩标签都直接写在<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>table</span><span class="token punctuation">></span></span>的下一级
 <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>tr</span><span class="token punctuation">></span></span>的上一级
</code></pre>
<h2 id="列表"><a href="#列表" class="headerlink" title="列表"></a>列表</h2><pre class=" language-html"><code class="language-html">1.无序列表
基本结构( <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>ul</span><span class="token punctuation">></span></span>里包含很多<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>li</span><span class="token punctuation">></span></span>且<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>ul</span><span class="token punctuation">></span></span>里只能包含<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>li</span><span class="token punctuation">></span></span> )( <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>li</span><span class="token punctuation">></span></span>里面可以包含其他东西 )
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>ul</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>li</span><span class="token punctuation">></span></span> 1 <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>li</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>li</span><span class="token punctuation">></span></span> 2 <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>li</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>li</span><span class="token punctuation">></span></span> 3 <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>li</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>li</span><span class="token punctuation">></span></span> 
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>a</span> <span class="token attr-name">href</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">"</span>#<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>QQ<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>a</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>p</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>li</span><span class="token punctuation">></span></span>里面可以包含其他东西 <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>p</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>li</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>ul</span><span class="token punctuation">></span></span>



2.有序列表
其他结构同无序列表  <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>ul</span><span class="token punctuation">></span></span>换成<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>ol</span><span class="token punctuation">></span></span>然后里面包含<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>li</span><span class="token punctuation">></span></span>


3.
自定义列表无项目符号
基本结构 
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>dl</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>dt</span><span class="token punctuation">></span></span> 名词1 <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>dt</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>dd</span><span class="token punctuation">></span></span> 名词1解释1 <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>dd</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>dd</span><span class="token punctuation">></span></span> 名词1解释2 <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>dd</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>dd</span><span class="token punctuation">></span></span> 名词1解释3 <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>dd</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>dt</span><span class="token punctuation">></span></span> 名词2 <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>dt</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>dd</span><span class="token punctuation">></span></span> 名词2解释1 <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>dd</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>dd</span><span class="token punctuation">></span></span> 名词2解释2 <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>dd</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>dd</span><span class="token punctuation">></span></span> 名词2解释3 <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>dd</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>dl</span><span class="token punctuation">></span></span>
</code></pre>
<h2 id="表单"><a href="#表单" class="headerlink" title="表单"></a>表单</h2><pre class=" language-html"><code class="language-html">1.form(表单域)(所有提示信息和标签都写在form里)(以下所以都得有name标签)
form的语法
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>form</span> <span class="token attr-name">action</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">"</span>url地址(提交到后台的地址)<span class="token punctuation">"</span></span> <span class="token attr-name">method</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">"</span>提交方式(get||post)<span class="token punctuation">"</span></span> <span class="token attr-name">name</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">"</span>表单域名称<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>form</span><span class="token punctuation">></span></span>
表单action属性填什么
随便搜一个东西  ?前面复制就是
然后form里面的name一定写?后面的字符

2.input     <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>input</span> <span class="token attr-name">type</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">"</span><span class="token punctuation">"</span></span> <span class="token attr-name">name</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">"</span><span class="token punctuation">"</span></span> <span class="token attr-name">value</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">"</span><span class="token punctuation">"</span></span> <span class="token attr-name">id</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">"</span><span class="token punctuation">"</span></span><span class="token punctuation">/></span></span>
(1)输入格式-----往type=""双引号里输入的东西
type="button"----定义点击按钮(点击效果为运行js脚本)

type="checkbox"---多选框

type="radio"---单选框    (name 一样时才能起单选功能)

type="file"---上传文件

type="text"---单行输入文本

type="assword"---单行输入不可见的文本(密码)

type="reset"---定义重置按钮

type="submit"---定义提交按钮

type="email"---邮箱验证 

type="url"---url地址验证

type="search"---搜索框 

type="date"---日期

type="time"---时间

type="month"---月份

type="week"---周

type="tel"---手机号码

type="color"---颜色选择表单

type="range" min="" max="" step=""--- 滑块 (step代表每次移动+||-的数)

type="number" max="" min=""---数字验证 (max和min控制数字范围)  


(2)input属性 
name---定义input元素名称

value---自定义显示属性

checked="controls"---规定默认选项  使用语法<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>input</span> <span class="token attr-name">type</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">"</span><span class="token punctuation">"</span></span> <span class="token attr-name">checked</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">"</span>checked<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>

maxlenth=""---定义输入的字符最大长度

size=""---定义文本框的长度

readonly="readonly"---只能看不能改不需要参数直接写上即可

disabled="disabled"---禁用属性

hidden---传递默认值(vaule) 表单对应地方直接消失但是还是能传默认值

required="required"---验证表单属性是否为空

placeholder="文字内容"---在文本框显示的提示内容，输入文字后消失

autofocus="autofocus"  页面光标自动跳转到输入框

multiple="multiple" 多提交文件当type="file"时

autocomplete="off/on" 打开时之前搜索过的内容会显示出来


3.label标签(点提示信息光标移动到id框内)
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>lable</span> <span class="token attr-name">for</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">"</span>id<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>提示信息<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>lable</span><span class="token punctuation">></span></span>


4.select标签(下拉显示)(在opinion中加入一条语句设置为默认项 selected="selected")
籍贯:
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>select</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>option</span><span class="token punctuation">></span></span> 河南 <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>option</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>option</span><span class="token punctuation">></span></span> 河北 <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>option</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>option</span><span class="token punctuation">></span></span> 湖北 <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>option</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>option</span> <span class="token attr-name">selected</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">"</span>selected<span class="token punctuation">"</span></span><span class="token punctuation">></span></span> 湖南 <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>option</span><span class="token punctuation">></span></span>

<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>select</span><span class="token punctuation">></span></span>(多行输入)


5.textarea文本域
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>textarea</span> <span class="token attr-name">cols</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">"</span>每行的字符数<span class="token punctuation">"</span></span> <span class="token attr-name">rows</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">"</span>显示的行数<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>默认显示的文字<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>textarea</span><span class="token punctuation">></span></span>
</code></pre>
<h2 id="HTML5"><a href="#HTML5" class="headerlink" title="HTML5"></a>HTML5</h2><pre class=" language-html"><code class="language-html">1.语义化标签
header 头部
nav    导航栏
article 内容标签
section  大块区域
aside   侧边栏
footer  尾部标签


2.网页内嵌套网页
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>iframe</span> <span class="token attr-name">src</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">"</span>路径<span class="token punctuation">"</span></span> <span class="token attr-name">name</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">"</span>框架标识名<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>iframe</span><span class="token punctuation">></span></span>

3.新增的多媒体标签  (视频尽量用MP4格式)
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>video</span> <span class="token attr-name">src</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">"</span>路径<span class="token punctuation">"</span></span><span class="token punctuation">></span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>video</span><span class="token punctuation">></span></span>
&lt;audio src="路径"<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>audio</span><span class="token punctuation">></span></span>

视频的属性(没写就默认否认)
autplay="autoplay"   视频就绪自动播放

controls="controls"  向用户显示播放控件

width和height 控制高和宽

loop="loop"  循环播放

preload="auto"   预先加载视频

src="url"  视频的地址

poster="url"   视频播放前加载的图片里面写url

muted="muted"    静音播放
音频的属性
只有
autplay controls loop scr 四个属性使用方法同上

4.当有多个input时结构ul>li*n>input
</code></pre>

                
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